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| Leaf roller: Caloptilia (=Gracillaria) acidula Symptom of damage Slender green larvae mine part or whole of the leaflets of compound leaves Leaflets turns pale brown or dark brown Upper epidermis separated from the lower Intervening space filled with black excreta Folded portion is skeletonized & dries up In severe attack, the leaflets are twisted up to form cocoons If the branch disturbed, all larvae leave their mines Identification of the pest Larva – cylindrical, yellow with thin, scattered hairs Adult – small, brownish moth Management Clean cultivation Collection and destruction of infested plant parts along with leaf roller Spray application of quinalphos 0.025% were found effective against leaf roller Image source: http://www.nbair.res.in/insectpests/Caloptilia-acidula.php |
- Slender green larvae mine part or whole of the leaflets of compound leaves
- Leaflets turns pale brown or dark brown
- Upper epidermis separated from the lower
- Intervening space filled with black excreta
- Folded portion is skeletonized & dries up
- In severe attack, the leaflets are twisted up to form cocoons
- If the branch disturbed, all larvae leave their mines
- Larva – cylindrical, yellow with thin, scattered hairs
- Adult – small, brownish moth
- Clean cultivation
- Collection and destruction of infested plant parts along with leaf roller
- Spray application of quinalphos 0.025% were found effective against leaf roller
http://www.nbair.res.in/insectpests/Caloptilia-acidula.php